/* ═══════════════════════════════════════════════
   GOURA LOGIN · PREMIUM HERO + GLASS
   Token-only. themes.css is the single source of truth.
   ═══════════════════════════════════════════════ */

/* ── FULL-SCREEN HERO BACKGROUND (separate layer) ── */
.login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(120% 120% at 100% 0%, var(--hero-mid) 0%, transparent 55%),
        linear-gradient(135deg, var(--hero-start) 0%, var(--hero-mid) 52%, var(--hero-end) 100%);
    overflow: hidden;
}

/* faint technical grid for depth */
.login-grid {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--brand-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--brand-line) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(110% 90% at 50% 0%, #000 0%, transparent 75%);
            mask-image: radial-gradient(110% 90% at 50% 0%, #000 0%, transparent 75%);
    opacity: .5;
}

/* ── DECORATIVE ORBS ── */
.orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(4px);
}
.orb-blue {
    width: 620px; height: 620px;
    top: -160px; right: -60px;
    background: radial-gradient(circle, var(--hero-orb-accent) 0%, transparent 70%);
    animation: orbFloat1 13s ease-in-out infinite;
}
.orb-warm {
    width: 520px; height: 520px;
    bottom: -120px; left: -90px;
    background: radial-gradient(circle, var(--hero-orb-danger) 0%, transparent 70%);
    animation: orbFloat2 16s ease-in-out infinite;
}
.orb-teal {
    width: 420px; height: 420px;
    top: 34%; left: 42%;
    background: radial-gradient(circle, var(--hero-orb-info) 0%, transparent 70%);
    animation: orbFloat3 19s ease-in-out infinite;
}
@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) }
    50% { transform: translate(-30px, 22px) }
}
@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) }
    50% { transform: translate(22px, -26px) }
}
@keyframes orbFloat3 {
    0%, 100% { transform: translate(0, 0) scale(1) }
    50% { transform: translate(-16px, 16px) scale(1.06) }
}

/* ── ACCENT LINE (top shimmer) ── */
.accent-line {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 3px;
    z-index: 100;
    background: linear-gradient(90deg, transparent 0%, var(--g-accent) 20%, var(--g-create) 50%, var(--g-accent) 80%, transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 3.4s ease-in-out infinite;
}
@keyframes shimmer {
    0%, 100% { background-position: 0% 0% }
    50% { background-position: 200% 0% }
}

/* ── SHELL: 2-column grid, transparent (hero is behind) ── */
.login-shell {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    min-height: 100vh;
    font-family: var(--font-sans);
    position: relative;
    z-index: 1;
    background: transparent;
}

/* ── LEFT: BRAND PANEL ── */
.login-brand {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 52px 60px 44px;
    color: var(--inverse-text);
    background: transparent;
}

.brand-logo { height: 34px; margin-bottom: 14px; opacity: .92 }
.brand-tagline-sm {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 12px;
    color: var(--inverse-text-muted);
    letter-spacing: .4px;
    text-transform: uppercase;
}
.brand-tagline-sm::before {
    content: '';
    width: 22px; height: 2px;
    background: var(--g-accent);
    border-radius: 2px;
}

.brand-headline {
    font-family: var(--font-display);
    font-size: clamp(38px, 4.2vw, 54px);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -.6px;
    margin: 0 0 18px;
    color: var(--inverse-text-strong);
}
.brand-headline-sub {
    font-size: clamp(18px, 1.7vw, 22px);
    font-weight: 400;
    line-height: 1.4;
    color: var(--inverse-text);
    margin: 0 0 18px;
    max-width: 460px;
}
.brand-sub {
    font-size: 14px;
    line-height: 1.7;
    color: var(--inverse-text-muted);
    max-width: 420px;
    margin: 0;
}

/* ── MODULE LIST (replaces vanity stats) ── */
.brand-modules {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 28px;
    max-width: 460px;
}
.brand-modules li {
    display: flex;
    align-items: baseline;
    gap: 11px;
    padding-top: 11px;
    border-top: 1px solid var(--inverse-border-soft);
}
.bm-no {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--inverse-text-strong);
    letter-spacing: .5px;
    min-width: 18px;
}
.bm-label {
    font-size: 12.5px;
    line-height: 1.35;
    color: var(--inverse-text-muted);
    letter-spacing: .2px;
}
.brand-copy {
    font-size: 10.5px;
    color: var(--inverse-text-faint);
    letter-spacing: .3px;
    margin: 0;
}

/* ── RIGHT: FORM PANEL ── */
.login-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: transparent;
}

/* ── GLASS CARD ── */
.login-card.glass {
    width: 100%;
    max-width: 416px;
    padding: 42px 38px 32px;
    border-radius: 22px;
    background:
        linear-gradient(180deg, var(--inverse-surface-strong) 0%, var(--inverse-surface-soft) 100%),
        var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(40px) saturate(140%);
    -webkit-backdrop-filter: blur(40px) saturate(140%);
    box-shadow:
        0 24px 64px var(--inverse-shadow-strong),
        inset 0 1px 0 var(--inverse-border-strong);
}

.card-logo {
    height: 26px;
    margin-bottom: 26px;
    opacity: .9;
}
.card-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    color: var(--inverse-text-strong);
    margin: 0 0 6px;
    letter-spacing: -.2px;
}
.card-sub {
    font-size: 13px;
    color: var(--inverse-text-muted);
    margin: 0 0 26px;
}

/* ── THEME SELECTOR (6 themes, 2 grupos) ── */
.theme-group-label {
    display: block;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--inverse-text-faint);
    margin: 4px 0 6px;
}
.theme-group-label:first-of-type { margin-top: 0; }

.theme-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 12px;
}
.theme-chip {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 7px 8px;
    font-family: inherit;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: .2px;
    border: 1px solid var(--inverse-border);
    border-radius: 8px;
    cursor: pointer;
    background: var(--inverse-surface-soft);
    color: var(--inverse-text-muted);
    transition: border-color .2s ease, color .2s ease, background .2s ease, box-shadow .2s ease;
    min-width: 0;
    text-align: left;
}
.theme-chip:hover {
    border-color: var(--inverse-border-strong);
    color: var(--inverse-text);
    background: var(--inverse-surface);
}
.theme-chip:focus-visible {
    outline: 2px solid var(--field-focus-ring);
    outline-offset: 2px;
    color: var(--inverse-text);
}
.theme-chip.active {
    background: var(--inverse-surface-active);
    border-color: var(--inverse-border-strong);
    color: var(--inverse-text-strong);
    box-shadow: 0 2px 10px var(--inverse-shadow);
}
.chip-swatch {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 3px;
    border: 1px solid var(--overlay-scrim);
    flex-shrink: 0;
}
.chip-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

/* ── FORM FIELDS ── */
.login-field { margin-bottom: 16px }
.login-label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--inverse-text-soft);
    margin-bottom: 7px;
}
.login-input {
    width: 100%;
    padding: 13px 14px;
    font-family: inherit;
    font-size: 14px;
    border: 1px solid var(--inverse-border-soft);
    border-radius: 11px;
    background: var(--inverse-surface-soft);
    color: var(--inverse-text-strong);
    transition: border-color .25s, box-shadow .25s, background .25s;
    outline: none;
}
.login-input:hover {
    border-color: var(--inverse-border);
}
.login-input:focus {
    border-color: var(--g-create);
    box-shadow: 0 0 0 3px var(--field-focus-ring);
    background: var(--inverse-surface);
}
.login-input::placeholder {
    color: var(--inverse-text-faint);
}

/* password reveal */
.login-input-wrap { position: relative; }
.login-input-wrap .login-input { padding-right: 46px; }
.login-eye {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 9px;
    background: transparent;
    color: var(--inverse-text-soft);
    cursor: pointer;
    transition: color .2s ease, background .2s ease;
}
.login-eye:hover {
    color: var(--inverse-text-strong);
    background: var(--inverse-surface);
}
.login-eye:focus-visible {
    outline: 2px solid var(--field-focus-ring);
    outline-offset: 1px;
    color: var(--inverse-text-strong);
}

/* ── ERROR MESSAGE ── */
.login-error {
    padding: 11px 14px;
    background: var(--g-err-bg);
    color: var(--g-err);
    font-size: 12px;
    border-radius: 11px;
    margin-bottom: 14px;
    border: 1px solid var(--g-err-border);
}

/* ── LOGIN BUTTON ── */
.login-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 14px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .3px;
    border: none;
    border-radius: 11px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: var(--accent-contrast);
    transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
    box-shadow: 0 6px 20px var(--hero-orb-accent);
}
.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 28px var(--hero-orb-accent);
    filter: brightness(1.06);
}
.login-btn:active { transform: scale(.985) }
.login-btn:focus-visible {
    outline: 2px solid var(--accent-contrast);
    outline-offset: 2px;
}
.login-btn:disabled { opacity: .65; cursor: not-allowed; transform: none; box-shadow: none }

.login-spin {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    border: 2px solid var(--inverse-border-strong);
    border-top-color: var(--accent-contrast);
    animation: loginSpin .7s linear infinite;
    flex-shrink: 0;
}
@keyframes loginSpin { to { transform: rotate(360deg) } }

/* ── FOOTER ── */
.login-footer {
    margin-top: 26px;
    text-align: center;
    font-size: 10px;
    color: var(--inverse-text-faint);
    letter-spacing: .3px;
}

/* ── ENTRANCE ANIMATIONS ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px) }
    to { opacity: 1; transform: translateY(0) }
}
@keyframes glassReveal {
    from { opacity: 0; transform: translateY(22px) scale(.985) }
    to { opacity: 1; transform: translateY(0) scale(1) }
}
.login-card.glass {
    animation: glassReveal .6s cubic-bezier(.22,1,.36,1) both;
}
.login-card.glass > * {
    animation: fadeUp .45s cubic-bezier(.22,1,.36,1) both;
}
.login-card.glass > *:nth-child(1) { animation-delay: .10s }
.login-card.glass > *:nth-child(2) { animation-delay: .15s }
.login-card.glass > *:nth-child(3) { animation-delay: .20s }
.login-card.glass > *:nth-child(4) { animation-delay: .25s }
.login-card.glass > *:nth-child(5) { animation-delay: .30s }
.login-card.glass > *:nth-child(6) { animation-delay: .35s }
.login-card.glass > *:nth-child(7) { animation-delay: .40s }
.login-card.glass > *:nth-child(8) { animation-delay: .45s }
.login-card.glass > *:nth-child(9) { animation-delay: .50s }

.login-brand > * { animation: fadeUp .6s cubic-bezier(.22,1,.36,1) both }
.login-brand > *:nth-child(1) { animation-delay: .05s }
.login-brand > *:nth-child(2) { animation-delay: .14s }
.login-brand > *:nth-child(3) { animation-delay: .22s }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
    .login-shell { grid-template-columns: 1fr }
    .login-brand { display: none }
    .login-form-panel { min-height: 100vh }
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
    .orb, .accent-line, .login-spin,
    .login-card.glass, .login-card.glass > *,
    .login-brand > * {
        animation: none !important;
    }
    .login-card.glass > *,
    .login-brand > * {
        opacity: 1 !important;
        transform: none !important;
    }
    * { transition-duration: .01ms !important; }
}